I searched the forum and all I saw was either unanswered questions or similar questions,but they all involved something to do with the browser on android which I dont want. So my question is, How do I make my 720p portrait game go into full screen on android lollipop as in there is no more notification bar, as well as the back/home/multitasking buttons disappear?

No its not working, I did everything, but the notification bar and the home/back/multitasking bar are still shown on the screen. I have no idea what to do because otherwise there are black bars on the edges of the game, but if it was full screen it would scale correctly to the proper size. btw I have a Nexus 5 running android lollipop if that changes anything.